Audio Codec - ES8316 porting problem

I'm porting ES8316 on imx6q now. Then I already porting driver done and use application to use audio codec, but I found I don't have MCLK signal on my scope.I already looked for information on internet and try to modify imx6qdl-sabresd.dtsi. But it still failed. Attachments are my used code. Please help me to solve this problem,thanks a lot.